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Knowledge

Facts, science and history of optical illusions.
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Squirrel Stereogram

Stereograms

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

Bezold effect fabric

Bezold Effect

Knees and toes

Knees and toes sexy illusion ad campaign

Credit: McCann Worldgroup

This ad campaign titled ‘Knees’ was published in Thailand in February, 2010. It was created for Boots Body Cream, by ad agency McCann. 

The ‘boobs’ are a sexy illusion created by knees and toes.

More optical illusions:

Fight against Cervical Cancer
Unsuspecting Amputee
Calm Lake
Dog jumping a giant hole
Big Daddy
Gmork
Mesmerizing eye
Erased Street Art
  • Pareidolia
  • Physical illusions
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boobs or knee

Boobs or knee?

a dirty mind

Mammogram ad bald men illusion

Mammogram

a dirty mind